Take the word NIT for example
NIT
A unit of luminous intensity equal to one candela per square meter. (I looked up candela and the definition is too complicated to replicate here. If you are interested look it up in the dictionary okey dokey?)
NIT
The egg of a parasitic insect often attached to fiber in clothing or hair
The young of such an insect
NIT is derived from the Latin word NITOR meaning brightness
What am I getting at?
nitwit WHICH NIT?